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  1. #1

    Join Date
    Apr 2004
    Posts
    111
    Location
    B.C. Canada
    Tractor
    B2710

    Default Nasty Knocking

    My year 2000 kubota B2710 (Hydrostat - 325 hours) has developed a nasty knock somewhere in the rear end. The closest I can come to describing it is somewhat akin to a bottom end knock in an engine. It's there whether the PTO is engaged or not.

    Bought this tractor used with 210 hours on it and while I can't say anything about the previous owner's service habits, everything has been done right since I've had it.

    I'm looking for a general direction here. Clutch noise transferring back? Transmission? PTO problem? I'd appreciate any insights you can offer.

    Thanks,

    Slim

  2. #2
    Super Star Member
    Join Date
    Aug 2001
    Posts
    11,813
    Location
    Upper Midwest USA
    Tractor
    JD 4300, JD X485 JD 4x2 Gator, JD 425, JD455

    Default Re: Nasty Knocking

    Does it knock only when in a forward or reverse movement?

    Does it knock only when idling, or when not moving?

    A recent post was responded to by a suggestion to check the wheel bolts, as the wheel might be shifting due to loose bolts. Not sure if this fits your 'knock' but only thought to mention it.

  3. #3
    Super Member Henro's Avatar
    Join Date
    Jul 2003
    Posts
    5,294
    Location
    Few miles north of Pgh, PA
    Tractor
    Kubota B2910, BX2200, Yardman 20HP pos...

    Default Re: Nasty Knocking

    One time I had a clicking sound on my B2910 when it was moving...

    Turned out to be a stick I picked up, that was rubbing on the edge of the R4 tire and the lugs were pushing it against the fender click, click, click... [img]/forums/images/graemlins/shocked.gif[/img]

    Did not take too long to find it, but I was worried until I did... [img]/forums/images/graemlins/blush.gif[/img]

  4. #4

    Join Date
    Apr 2004
    Posts
    111
    Location
    B.C. Canada
    Tractor
    B2710

    Default Re: Nasty Knocking

    No, this knocking is there all the time. Going forward, in reverse, sitting still, in neutral, in any of the three ranges, three point up, three point down...

    My fear, of course, is that it's a large repair bill come a knockin'.

    Slim


  5. #5
    Silver Member
    Join Date
    Jun 2004
    Posts
    146
    Location
    Nova Scotia, Canada
    Tractor
    B6100 HST-E

    Default Re: Nasty Knocking

    Does it knock with the clutch in? If in gear and the clutch in makes it go away, I'll guess broken tooth on the main shaft, or a gear in constant contact with the main shaft.

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